206060040 has 96 divisors (see below), whose sum is σ = 675118080. Its totient is φ = 54504576.

The previous prime is 206060039. The next prime is 206060053. The reversal of 206060040 is 40060602.

206060040 is a `hidden beast` number, since 2 + 0 + 60 + 600 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 206059995 and 206060022.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43467 + ... + 47973.

It is an arithmetic number, because the mean of its divisors is an integer number (7032480).

Almost surely, 2^206060040 is an apocalyptic number.

206060040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206060040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337559040).

206060040 is an abundant number, since it is smaller than the sum of its proper divisors (469058040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206060040 is a wasteful number, since it uses less digits than its factorization.

206060040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4651 (or 4644 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 206060040 is about 14354.7915345365. The cubic root of 206060040 is about 590.6514302441.

The spelling of 206060040 in words is "two hundred six million, sixty thousand, forty".